Abstract
We study the microstructure of deposited coatings formed by a composite material based on PG-10N-01 self-fluxing alloy and modified with a mechanically activated composite material obtained as a result of the self-propagating high-temperature sintering process. By the X-ray phase diffraction analysis, in the structure of the coating, we detect the presence of titanium diboride (TiB2), nickel boride (Ni3B), titanium oxide (TiO), and iron oxide (Fe3O4) inclusions distributed over the nickel matrix. It is demonstrated that the modifying addition promotes not only the refinement of structure in the course of electric-arc deposition but also the elevation of the levels of hardness and microhardness of the deposited layer and a 1.5-fold increase in the abrasive wear resistance as compared with the wear resistance of PG-10N-01 alloy.
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